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Abstract
Microbial fuel cell (MFC) is a technology that is not only able to produce energy but also treats wastewater. The membraneless microbial fuel cell (ML-MFC) system was developed to avoid the use of membranes that are prone to clogging and are less applicable. The reactor was made and arranged in two chambers connected by pipes and the fluid flow rate is set using a peristaltic pump. Three anodes (carbon cloth) were paired with a carbon-Pt cathode GDL (Gas Diffusion Layer) type. The reactor was applied to wastewater taken from the industrial WWTP unit at the point before and after UASB. ML-MFC reactors can produce currents of 0.2 mA (before UASB) and 0.25 mA (after UASB). Current production is strongly influenced by the flow rate and characteristics of wastewater. Increased flow rates and complex character of wastewater will reduce current production. The electric power produced is 0.035 mwatt for wastewater before UASB and 0.086 mwatt after UASB with a COD removal is close to the same, which is 21% at a flow rate of 11 L / min1
Highlights
Fuel Cell (FC) is one of the technologies that play a role in providing alternative energy that is increasingly in demand as fossil energy sources are increasingly depleted [1,2]
Microbial fuel cell (MFC) technology besides being able to produce electrical energy functions as a waste treatment unit through the degradation of organic compounds into carbon dioxide (CO2), hydrogen ions (H+), and electrons (e)
The most of all Microbial Fuel Cells are arranged in a double chamber model, where the anode chamber is separated from the cathode [4,5,6]
Summary
Fuel Cell (FC) is one of the technologies that play a role in providing alternative energy that is increasingly in demand as fossil energy sources are increasingly depleted [1,2]. Two types of FC that have been known and developed include Chemical Fuel Cell (CFC) and Microbial Fuel Cell (MFC). This last FC type is more promising because it does not require chemicals so it is cheap in operation and has a positive impact on the environment [3]. The most of all Microbial Fuel Cells are arranged in a double chamber model, where the anode chamber is separated from the cathode [4,5,6]. The use of membranes causes the application to be less flexible so that the applicators of this technology are less interested
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